Home / 7,474.30-11,201.85-3,094.78

Finding the Fourth Proportional to 7,474.30, 11,201.85 and 3,094.78

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Solution

The fourth proportional to 7,474.30, 11,201.85 and 3,094.78 is: 4,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.30 : 11,201.85 = 3,094.78 : x
  2. Step 2: Convert to fraction form
    7,474.30/11,201.85 = 3,094.78/x
  3. Step 3: Cross multiply
    7,474.30x = 11,201.85 × 3,094.78
  4. Step 4: Simplify right side
    7,474.30x = 34,667,261.34
  5. Step 5: Solve for x
    x = 34,667,261.34/7,474.30
  6. Step 6: Final answer
    x = 4,638.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.